# The resistive network shown below is connected to a D.C. source of 16 V. The power consumed by the network is 4 Watt. The value of R is : Option 1) Option 2) Option 3) Option 4)

Heat developed in a resistor -

When a steady current flows through a resistance R for time t , the loss in electric potential energy appears as increased thermal energy(Heat H) of resistor and

The power devoleped =       (from Ohm's law)

- wherein

Unit of heat is joule (J)

Unit of power is watt (W)

Option 1)

Option 2)

Option 3)

Option 4)

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